90721080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:690

約数の個数: 128

約数和(自身を含む): 304819200

約数和(自身を除く): 214098120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 167, 180, 216, 270, 334, 360, 501, 503, 540, 668, 835, 1002, 1006, 1080, 1336, 1503, 1509, 1670, 2004, 2012, 2505, 2515, 3006, 3018, 3340, 4008, 4024, 4509, 4527, 5010, 5030, 6012, 6036, 6680, 7515, 7545, 9018, 9054, 10020, 10060, 12024, 12072, 13581, 15030, 15090, 18036, 18108, 20040, 20120, 22545, 22635, 27162, 30060, 30180, 36072, 36216, 45090, 45270, 54324, 60120, 60360, 67905, 84001, 90180, 90540, 108648, 135810, 168002, 180360, 181080, 252003, 271620, 336004, 420005, 504006, 543240, 672008, 756009, 840010, 1008012, 1260015, 1512018, 1680020, 2016024, 2268027, 2520030, 3024036, 3360040, 3780045, 4536054, 5040060, 6048072, 7560090, 9072108, 10080120, 11340135, 15120180, 18144216, 22680270, 30240360, 45360540, 90721080]

約数ペア:

[(1, 90721080), (2, 45360540), (3, 30240360), (4, 22680270), (5, 18144216), (6, 15120180), (8, 11340135), (9, 10080120), (10, 9072108), (12, 7560090), (15, 6048072), (18, 5040060), (20, 4536054), (24, 3780045), (27, 3360040), (30, 3024036), (36, 2520030), (40, 2268027), (45, 2016024), (54, 1680020), (60, 1512018), (72, 1260015), (90, 1008012), (108, 840010), (120, 756009), (135, 672008), (167, 543240), (180, 504006), (216, 420005), (270, 336004), (334, 271620), (360, 252003), (501, 181080), (503, 180360), (540, 168002), (668, 135810), (835, 108648), (1002, 90540), (1006, 90180), (1080, 84001), (1336, 67905), (1503, 60360), (1509, 60120), (1670, 54324), (2004, 45270), (2012, 45090), (2505, 36216), (2515, 36072), (3006, 30180), (3018, 30060), (3340, 27162), (4008, 22635), (4024, 22545), (4509, 20120), (4527, 20040), (5010, 18108), (5030, 18036), (6012, 15090), (6036, 15030), (6680, 13581), (7515, 12072), (7545, 12024), (9018, 10060), (9054, 10020)]